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ACOUSTICAL
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Operating Frequency Range1
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30–140 Hz
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Frequency Response2
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32–123 Hz ±4 dB
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Phase Response
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40–123 Hz ±30°
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Linear Peak SPL3
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126 dB with crest factor >11.5 dB (M-noise), 126 dB (Pink noise), 127 dB (B-noise)
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Coverage
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360° (single unit), varies with number of units and configuration
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TRANSDUCERS
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Low Frequency
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Two 10-inch cone drivers, nominal impedance 4 & OMEGA;
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AUDIO INPUT
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Type
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Differential, electronically balanced
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Maximum Common Mode Range
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±15 V DC, clamped to earth for voltage transient protection
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Connectors4
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XLR 3- or 5-pin female input with male loop output
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Input Impedance
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10 kΩ differential between pins 2 and 3
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Wiring
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Pin 1: Chassis/earth through 1 kΩ, 1000 pF, 15 V clamp network to provide virtual ground lift at audio frequencies
Pin 2: Signal + Pin 3: Signal -
Case: Earth ground and chassis
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Nominal Input Sensitivity
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0 dBV (1 V rms) continuous is typically the onset of limiting for noise and music
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Input Level
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Audio source must be capable of producing a minimum of +20 dBV (10 V rms) into 600 Ω to produce maximum peak SPL over the operating bandwidth of the speaker
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AMPLIFIERS
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Type
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2-channel (class D) with crossover
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Total Output Power5
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1800 W peak
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THD, IM, TIM
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< 0.02%
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Load
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4 Ω per channel
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Cooling
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Convection
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AC POWER
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Connector
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powerCON 20 input with loop output
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Automatic Voltage Selection
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Automatic
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Safety Agency Rated Operating Range
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100–240 V AC, 50–60 Hz
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Turn-on and Turn-off Points
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90 V AC turn-on, no turn-off; internal fuse-protection above 265 V AC
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CURRENT DRAW
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Idle Current
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0.27 A rms (115 V AC); 0.25 A rms (230 V AC); 0.29 A rms (100 V AC)
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Max Long-Term Continuous Current (>10 sec)
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1.4 A rms (115 V AC); 0.7 A rms (230 V AC); 1.6 A rms (100 V AC)
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Burst Current (<1 sec)6
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4.5 A rms (115 A AC); 2.1 A rms (230 V AC); 4.8 A rms (100 V AC)
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Maximum Instantaneous Peak Current
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9.7 A peak (115 V AC); 4.6 A peak (230 V AC); 10.8 A peak (100 V AC)
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Inrush Current
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<20 A peak
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